If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
(3/5)*t = 21 // - 21
(3/5)*t-21 = 0
3/5*t-21 = 0 // + 21
3/5*t = 21 // : 3/5
t = 21/3/5
t = 35
t = 35
| 2x-15=-60 | | 4(b+0.6)=4.8 | | 5/6x-13=2 | | 5.2b+4.6=7.72 | | 4t^2-25t+28=0 | | 3x+3y-2x-2= | | (2x-6)(9x+1)=0 | | 5x^4+2x^3=10x^7 | | x^2-3x=1.8 | | 9y^2+z^2=16 | | 4x+x+3x+8x= | | 3(2x-6)=2(6x-3) | | An=xy | | -144/=-16 | | 3.67-6.7x+1.11=22.2 | | -(6xy-10)+2(5xy+8)= | | 5x+6x-3x-5=51 | | (4x^3+4x^2-3x)(x^2-7)=0 | | 5+(3x-3)=3x-(8x-6) | | C-50=28 | | 23=u-10 | | x(3x+2)=8 | | 30x^2-1=5x^2-1 | | x4=1/10 | | 6/7s-5/6s=4/21 | | 15=c/5 | | M+7m+3m-6= | | 2cos^2(2x)-cos(x)=0 | | 2s^2+3s-1=0 | | x^4-y^4-3y^2+1=0 | | -16x^2+75x-51=0 | | -6z=15-7z |